package org.foreningsgatan.modular.terrain.generator;

import org.foreningsgatan.modular.terrain.model.SimpleMap;
import org.foreningsgatan.modular.terrain.model.Tile;
import org.foreningsgatan.modular.terrain.model.TileMap;

/**
 * 
 * Copyright (c) 2008 Joakim Back
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
 * @author Joakim Back
 * 
 */
public class TileMapGenerator {
	private static Tile buildTile(SimpleMap simple, int x, int y) {
		Object upperLeft = simple.get(x - 1, y - 1);
		Object upperRight = simple.get(x, y - 1);
		Object lowerLeft = simple.get(x - 1, y);
		Object lowerRight = simple.get(x, y);

		return new Tile(upperLeft, upperRight, lowerLeft, lowerRight);
	}

	public static TileMap generate(SimpleMap simple) {
		int size = simple.getSize() + 1;

		TileMap map = new TileMap(size);

		for (int y = 0; y < size; y++) {
			for (int x = 0; x < size; x++) {
				map.set(x, y, buildTile(simple, x, y));
			}
		}

		return map;
	}
}
